<?php
class UUID{
	private static $uuid = 1;
	static function next($prefix = '')
	{
		//			$chars = md5(uniqid(mt_rand(), true));
		//	     	$uuid   = substr($chars,0,8) . '-';
		//	     	$uuid .= substr($chars,8,4) . '-';
		//	     	$uuid .= substr($chars,12,4) . '-';
		//	     	$uuid .= substr($chars,16,4) . '-';
		//	     	$uuid .= substr($chars,20,12);
		//	     	return $prefix . $uuid;
		return UUID::$uuid++;
	}
}
?>